[INFO] cloning repository https://github.com/Esu0/doubly-linked-list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Esu0/doubly-linked-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEsu0%2Fdoubly-linked-list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEsu0%2Fdoubly-linked-list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 308aefceccb5f728c89f7a6ef1f9a2ee71a80734
[INFO] checking Esu0/doubly-linked-list/308aefceccb5f728c89f7a6ef1f9a2ee71a80734 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEsu0%2Fdoubly-linked-list" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Esu0/doubly-linked-list on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Esu0/doubly-linked-list
[INFO] finished tweaking git repo https://github.com/Esu0/doubly-linked-list
[INFO] tweaked toml for git repo https://github.com/Esu0/doubly-linked-list written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Esu0/doubly-linked-list already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef736e61899ae4dc818ec409e74887830ee08ecc95f7d65a488f7b3d0251cbb2
[INFO] running `Command { std: "docker" "start" "-a" "ef736e61899ae4dc818ec409e74887830ee08ecc95f7d65a488f7b3d0251cbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef736e61899ae4dc818ec409e74887830ee08ecc95f7d65a488f7b3d0251cbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef736e61899ae4dc818ec409e74887830ee08ecc95f7d65a488f7b3d0251cbb2", kill_on_drop: false }`
[INFO] [stdout] ef736e61899ae4dc818ec409e74887830ee08ecc95f7d65a488f7b3d0251cbb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ca55842a9f61e56794f4325ad896bf2fd869602bd1b81df75a2090f2b63727c
[INFO] running `Command { std: "docker" "start" "-a" "8ca55842a9f61e56794f4325ad896bf2fd869602bd1b81df75a2090f2b63727c", kill_on_drop: false }`
[INFO] [stderr]     Checking thin-dst v1.1.0
[INFO] [stderr]     Checking detect-drop v0.1.0 (https://github.com/Esu0/detect-drop#10b9a549)
[INFO] [stderr]     Checking debug-allocator v0.1.2 (https://github.com/Esu0/debug-allocator#45877450)
[INFO] [stderr]     Checking doubly-linked-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/base.rs:521:9
[INFO] [stdout]     |
[INFO] [stdout] 521 |         self.0.eq(&other.0)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 521 |         std::ptr::addr_eq(self.0.as_ptr(), other.0.as_ptr())
[INFO] [stdout]     |         ++++++++++++++++++      ~~~~~~~~~~        ~~~~~~~~~~
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 521 |         std::ptr::eq(self.0.as_ptr(), other.0.as_ptr())
[INFO] [stdout]     |         +++++++++++++      ~~~~~~~~~~        ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/base.rs:525:9
[INFO] [stdout]     |
[INFO] [stdout] 525 |         self.0.ne(&other.0)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 525 |         !std::ptr::addr_eq(self.0.as_ptr(), other.0.as_ptr())
[INFO] [stdout]     |         +++++++++++++++++++      ~~~~~~~~~~        ~~~~~~~~~~
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 525 |         !std::ptr::eq(self.0.as_ptr(), other.0.as_ptr())
[INFO] [stdout]     |         ++++++++++++++      ~~~~~~~~~~        ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/util/exact_size.rs:495:38
[INFO] [stdout]     |
[INFO] [stdout] 495 |                     .find(|(_, ptr)| *ptr == pointer.as_ptr_node())
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 495 |                     .find(|(_, ptr)| std::ptr::addr_eq(*ptr.as_ptr(), pointer.as_ptr_node().as_ptr()))
[INFO] [stdout]     |                                      ++++++++++++++++++    ~~~~~~~~~~                      ++++++++++
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 495 |                     .find(|(_, ptr)| std::ptr::eq(*ptr.as_ptr(), pointer.as_ptr_node().as_ptr()))
[INFO] [stdout]     |                                      +++++++++++++    ~~~~~~~~~~                      ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/base.rs:521:9
[INFO] [stdout]     |
[INFO] [stdout] 521 |         self.0.eq(&other.0)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 521 |         std::ptr::addr_eq(self.0.as_ptr(), other.0.as_ptr())
[INFO] [stdout]     |         ++++++++++++++++++      ~~~~~~~~~~        ~~~~~~~~~~
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 521 |         std::ptr::eq(self.0.as_ptr(), other.0.as_ptr())
[INFO] [stdout]     |         +++++++++++++      ~~~~~~~~~~        ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/base.rs:525:9
[INFO] [stdout]     |
[INFO] [stdout] 525 |         self.0.ne(&other.0)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 525 |         !std::ptr::addr_eq(self.0.as_ptr(), other.0.as_ptr())
[INFO] [stdout]     |         +++++++++++++++++++      ~~~~~~~~~~        ~~~~~~~~~~
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 525 |         !std::ptr::eq(self.0.as_ptr(), other.0.as_ptr())
[INFO] [stdout]     |         ++++++++++++++      ~~~~~~~~~~        ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/util/exact_size.rs:495:38
[INFO] [stdout]     |
[INFO] [stdout] 495 |                     .find(|(_, ptr)| *ptr == pointer.as_ptr_node())
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 495 |                     .find(|(_, ptr)| std::ptr::addr_eq(*ptr.as_ptr(), pointer.as_ptr_node().as_ptr()))
[INFO] [stdout]     |                                      ++++++++++++++++++    ~~~~~~~~~~                      ++++++++++
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 495 |                     .find(|(_, ptr)| std::ptr::eq(*ptr.as_ptr(), pointer.as_ptr_node().as_ptr()))
[INFO] [stdout]     |                                      +++++++++++++    ~~~~~~~~~~                      ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "8ca55842a9f61e56794f4325ad896bf2fd869602bd1b81df75a2090f2b63727c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca55842a9f61e56794f4325ad896bf2fd869602bd1b81df75a2090f2b63727c", kill_on_drop: false }`
[INFO] [stdout] 8ca55842a9f61e56794f4325ad896bf2fd869602bd1b81df75a2090f2b63727c